#42581E#42581E

#42581E is a dark, moderate yellow-green. Relative luminance 0.082; OKLCH L 42.9% C 0.088 H 127.3°. Best body text is #FFFFFF at 7.94:1 contrast (WCAG AA passes).

Color values

HEX	#42581E
RGB	rgb(66, 88, 30)
HSL	hsl(83, 49%, 23%)
HSV	hsv(83, 66%, 35%)
CMYK	cmyk(25%, 0%, 65.9%, 65.5%)
CIE-LAB	lab(34.46, -18.74, 30.14)
CIE-LCH	lch(34.46, 35.49, 121.87°)
OKLab	oklab(42.86% -0.0531 0.0697)
OKLCH	oklch(42.86% 0.088 127.3)
XYZ	xyz(5.9708, 8.2313, 2.5023)
Luminance	0.0823 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42581E #341E58

analogous

#58511E #42581E #25581E

triadic

#42581E #1E4258 #581E42

tetradic

#42581E #1E5851 #341E58 #581E25

square

#42581E #1E5851 #341E58 #581E25

split-complementary

#42581E #1E2558 #511E58

monochromatic

#111708 #202A0E #42581E #64862E #86B33D

Accessibility & contrast

On white

7.94

#42581E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#42581E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42581E

7.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42581E	#FFFFFF	#000000	##FFFFFF
##42581E	1.00	7.94	2.65	7.94
#FFFFFF	7.94	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D5217

Deuteranopia (green-blind)

#595122

Tritanopia (blue-blind)

#44544C

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #42581e;
/* rgb */ color: rgb(66, 88, 30);
/* oklch */ color: oklch(42.9% 0.088 127.3);

Tailwind

colors: {
  custom: {
    50: '#78875c',
    500: '#42581e',
    950: '#000000',
  },
}

SCSS

$custom: #42581e;
$custom-light: #78875c;
$custom-dark: #000000;

JSON

{
  "hex": "#42581e",
  "rgb": {
    "r": 66,
    "g": 88,
    "b": 30
  },
  "hsl": {
    "h": 82.759,
    "s": 49.153,
    "l": 23.137
  },
  "oklch": {
    "l": 0.42859,
    "c": 0.08759,
    "h": 127.3
  },
  "luminance": 0.08231
}

Semantic roles & 50–950 ramp

primary

#42581E

secondary

#60458D

accent

#4FD983

background

#F7F8F5

surface

#EDEFE9

border

#C8CAC5

text

#090B04

muted

#7B7C79

Preview Lab

Preview with #42581E

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →